Home / 59,392-128,480

Finding the Third Proportional to 59,392 and 128,480

Calculator

Solution

The third proportional to 59,392 and 128,480 is: 277,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,392 : 128,480 = 128,480 : x
  2. Step 2: Convert to fraction form
    59,392/128,480 = 128,480/x
  3. Step 3: Cross multiply
    59,392x = 128,480 × 128,480
  4. Step 4: Simplify right side
    59,392x = 16,507,110,400
  5. Step 5: Solve for x
    x = 16,507,110,400/59,392
  6. Step 6: Final answer
    x = 277,934.91

Related Problems

Find third proportional to 29,696 and 64,240
Half scale
Find third proportional to 118,784 and 256,960
Double scale
Find third proportional to 59,394 and 128,484
Similar ratio
Find third proportional to 89,088 and 192,720
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.